Yes they do so stop asking
Yes, if the ants can actually go into the fish tank.
No, fighting fish (Bettas) are only interested in fighting with other fighting fish.
Of course they can. How else would we have fighting fish.
'Japanese fighting fish' 'Chinese fighting fish' 'Siamese fighting fish' and 'Betta' are all names given to the 'Betta splendens'.
Fighting Fish do eat each other so, yes
usually your pet store would have its food so go there
yes allchinese fighting fish fight
yes if not how its fertilised
they do fight.
Fighting fish is their nic-name so they should be kept separate
Win what? be more specific. If you mean in a territorial dispute, an adult fighting fish will get eaten (literally) by and adult convict cichlid. but if the cichlid and the fighting fish are of the same size then the fighting fish would be at an advantage.
I don't think so.